APA (7th ed.) Citation

Thornton, E. W. 〈. (1929). Informational Tests in American History. Periodicals Archive Online (PAO).

Chicago Style (17th ed.) Citation

Thornton, E. W. 〈Dean〉. Informational Tests in American History. Philadelphia: Periodicals Archive Online (PAO), 1929.

MLA (9th ed.) Citation

Thornton, E. W. 〈Dean〉. Informational Tests in American History. Periodicals Archive Online (PAO), 1929.

Warning: These citations may not always be 100% accurate.